Professor Hartung teaches in the first-year Legal Skills in Social Context program. She has written extensively in the area of federal criminal procedure and wrongful convictions, specifically focusing on procedural bars to post-conviction innocence claims. Most recently, she proposed a federal post-conviction innocence track to address the issue. Additionally, much of her scholarship focuses on the intersection of legal writing and social justice.

Before joining the faculty at Northeastern, Professor Hartung taught at Suffolk University Law School for 13 years. While at Suffolk, Professor Hartung taught Legal Practice Skills and an array of courses relating to criminal appellate procedure and wrongful convictions. She also chaired the Public Interest Committee and was co-advisor to the Suffolk Public Interest Law Group.

Upon graduation from Boston College Law School, magna cum laude, Professor Hartung served first as a law clerk on the Superior Court in Fairbanks, Alaska. For the next eight years, she was a deputy public defender in Alameda County (Oakland, Calif.), where she represented indigent clients and supervised summer law clerks. She is a member of the board of trustees of the New England Innocence Project and the 2015 recipient of the Clarence Darrow Award from the Massachusetts Citizens Against the Death Penalty.